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Home , BepiColombo, Hayabusa2

ISAS/JAXA Deep Space Fleet Cut into the

Hitoshi Kuninaka Institute of Space and Astronautical Science (ISAS) Aerospace Exploration Agency (JAXA) June 13, 2019 “” spacecraft brought back the material of Stone type Itokawa while establishing innovative engines. “”, while Leveraging our experience “Hayabusa” spacecraft brought back the material of Asteroid Itokawa while establishing innovative ion engines. “Hayabusa2”, while utilizing the experience cultivated in “Hayabusa”, has arrived at the C type Asteroid Ryugu in order to elucidate the origin and evolution of the system and primordial materials that would have led to emergence of life.

Spacecraft Hayabusa Hayabusa2 Target Itokawa Ryugu Launch 2003 2014 Arrival 2005 2018 Return 2010 2020 Asteroid Ryugu

Asteroid Itokawa Hayabusa2 executed to land on the asteroid on Feb 22, 2019. Hayabusa2 executed to land on the asteroid on Feb 22, 2019. Ground Demonstration of Impactor Ground Demonstration of Impactor 3. SCI collision experiment science: crater

• Terrain change before and after the SCI collision. (Blink image before and after collision for comparison) – Crater formation – Boulder evacuated and moved – Boulders dispersed around the region

(Image credit: JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, University of Aizu, AIST)

2019/05/09 Hayabusa2 reporter briefing MMO/BepiColombo is a probe to to elucidate its and its interaction with the harsh solar in the close proximity to the . Due to the technical difficulties such as Mercury orbit insertion and intense thermal environment, Mercury has remained mysterious. BepiColombo is a cooperative inter-disciplinary project between Japan and Europe for answering the questions inherited from NASA MESSENGER.

Spacecraft BepiColombo/MMO Mercury Magnetospheric Orbiter Japanese Nickname Mio Target Mercury Launch 2018 Arrival 2025 Spacecraft ＳＬＩＭ Smart for Investigating Target Moon Launch 2022 (TBD)

SLIM has the purpose of demonstrating a high-precision landing technology. Pin-pointed landing to a desired location on a gravitation body is a required technology for the efficient future exploration program in which multiple landings and sample returns are foreseen. Spacecraft ＭＭＸ Martian eXploration Target Phobos Launch 2024 Arrival 2025 Return 2029

MMX will visit two Martian moons, Phobos and Deimos, land on the surface of Phobos, and collect a surface sample, then return to in 2029. The objective of the mission is to reveal the origin of the Martian moons. The goal beyond the objectives is to progress our understanding of the behavior of small bodies that delivered water from outside the snow line to the habitable zone of the solar system. Spacecraft DESTINY+ Demonstration and Experiment of Space Technology for INterplanetary voYage, Phaethon fLyby and dUst Science Target Phaeton Launch 2022(TBD)

DESTINY+ is a planned mission to demonstrate the small platform for planetary exploration by the spiral raising from Earth orbit. It will reveal the physics of cosmic dust from the in-situ analysis during interplanetary cruise and from flyby observations of the Geminid shower parent body 3200 Phaethon.

Recovery mission of the ASTRO-H installing Soft X-ray Spectrometer and Soft X-ray Imager. Pioneering new horizon of the Universe with unprecedented high resolution X-ray spectroscopy. International collaboration with NASA and ESA.

Spacecraft XRISM X-Ray Imaging and Spectroscopy Mission Target X-ray Launch 2022(TBD) Spacecraft LiteBIRD Light (Lite) Satellite for studies of B-mode polarization and Inflation from cosmic background Radiation Detection Target Sun-Earth L2 Launch 2027(TBD)

LiteBIRD will carry out all-sky millimeter-wave surveys to map the polarization of cosmic background (CMB) with an unprecedented precision. The mission will provide a definitive search for the CMB B-mode polarization from cosmic inflation, either making a discovery or ruling out well-motivated cosmic inflation models. XRISM

ISAS Astronomy and Strategy 16